[LeetCode] 560. Subarray Sum Equals K 子数组和为K
Given an array of integers and an integer k, you need to find the total number of continuous subarrays whose sum equals to k. Example ...
原文：[LeetCode] 992. Subarrays with K Different Integers 有K个不同整数的子数组
Given an arrayAof positive integers, call a contiguous, not necessarily distinct subarray ofAgoodif the number of different integers in that subarray is exactlyK. For example, , , , , has different i ...
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[LeetCode] 560. Subarray Sum Equals K 子数组和为K
Given an array of integers and an integer k, you need to find the total number of continuous subarrays whose sum equals to k. Example 1: Note ...
[LeetCode] 898. Bitwise ORs of Subarrays 子数组按位或操作
We have an array `A` of non-negative integers. For every (contiguous) subarray B = [A[i], A[i+1], ..., A[j]] (with i <= j), we take the bitwise ...
LeetCode 862. 和至少为 K 的最短子数组
思路： 采用滑动窗口 注意点 左边移动的时候，如果去掉的数是负数，那么右边游标要做回滚； 右边的游标移动时，出现sum<=0，说明此次的计算没有意义，不要再进行下去； 代码 ...
和为k的子数组
给定一个整数数组和一个整数 k，你需要找到该数组中和为 k 的连续的子数组的个数。 示例 1 : 输入:nums = [1,1,1], k = 2输出: 2 , [1,1] 与 [1,1] 为两种不同的情况。说明 : 数组的长度为 [1, 20,000]。数组中元素的范围是 [-1000 ...
[LeetCode] 974. Subarray Sums Divisible by K 子数组数字之和可被K整除
Given an array A of integers, return the number of (contiguous, non-empty) subarrays that have a sum divisible by K. Example 1: Note: 1 < ...
[LeetCode] 862. Shortest Subarray with Sum at Least K 和至少为K的最短子数组
Return the length of the shortest, non-empty, contiguous subarray of `A` with sum at least `K`. If there is no non-empty subarray with sum at least ...
[LeetCode] 713. Subarray Product Less Than K 子数组乘积小于K
Your are given an array of positive integers nums. Count and print the number of (contiguous) subarrays where the product of all the elements ...